An equal opponent

Stephanie Falon is one of the biggest mobsters in the world. She enterd the life of mob, when she was 13. It was the first time she held a gun and shot a person. Since then her life has changed and so did she. Her victims started calling her Sirena, but that didn't bother her. She liked to be feared. But what will happen when she will get a mission that will turn her weirdly stable life upside down?

They will both fall in love, with someone they have to kill...